Base | Representation |
---|---|
bin | 10010000110000110… |
… | …10010111001011001 |
3 | 221002001020121220021 |
4 | 21003003102321121 |
5 | 124344001400042 |
6 | 4243555230441 |
7 | 462513022453 |
oct | 110303227131 |
9 | 27061217807 |
10 | 9714871897 |
11 | 4135879055 |
12 | 1a715a8421 |
13 | bba8c8913 |
14 | 6823412d3 |
15 | 3bcd3a867 |
hex | 2430d2e59 |
9714871897 has 4 divisors (see below), whose sum is σ = 9715326516. Its totient is φ = 9714417280.
The previous prime is 9714871891. The next prime is 9714871913. The reversal of 9714871897 is 7981784179.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 381186576 + 9333685321 = 19524^2 + 96611^2 .
It is a cyclic number.
It is not a de Polignac number, because 9714871897 - 215 = 9714839129 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (9714871891) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193588 + ... + 238549.
It is an arithmetic number, because the mean of its divisors is an integer number (2428831629).
Almost surely, 29714871897 is an apocalyptic number.
It is an amenable number.
9714871897 is a deficient number, since it is larger than the sum of its proper divisors (454619).
9714871897 is a wasteful number, since it uses less digits than its factorization.
9714871897 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 454618.
The product of its digits is 7112448, while the sum is 61.
The square root of 9714871897 is about 98564.0497189518. The cubic root of 9714871897 is about 2133.7606056593.
The spelling of 9714871897 in words is "nine billion, seven hundred fourteen million, eight hundred seventy-one thousand, eight hundred ninety-seven".
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